Due to potentially large differences in value over slight differences in a coin's condition, some commercial coin dealers will repeatedly resubmit a coin to a grading service in the hope of a higher grade.

To do this, a target is set for the grade of service ( GoS ) or quality of service ( QoS ).

The formula provides the GoS ( grade of service ) which is the probability P < sub > b </ sub > that a new call arriving at the circuit group is rejected because all servers ( circuits ) are busy: B ( E, m ) when E Erlang of traffic are offered to m trunks ( communication channels ).

A subset of telephony QoS is grade of service ( GoS ) requirements, which comprises aspects of a connection relating to capacity and coverage of a network, for example guaranteed maximum blocking probability and outage probability.

Technical factors include: reliability, scalability, effectiveness, maintainability, grade of service, etc.

In telecommunication engineering, and in particular teletraffic engineering, the quality of voice service is specified by two measures: the grade of service ( GoS ) and the quality of service ( QoS ).

On the other hand, the quality of service which a single circuit is designed or conditioned to provide, e. g. voice grade or program grade is called the quality of service.

The student body of SAMS comprises mostly U. S. Army field grade officers from combat, combat support, and combat service support branches.

The performance of loss systems is quantified by their grade of service, driven by the assumption that if sufficient capacity is not available, the call is refused and lost.

The Nine grade controller system, by which prominent individuals in each administrative area were given the authority to rank local families and individuals in nine grades according to their potential for government service, further consolidated their authority.

To maintain conformity with grade levels in the civil service, there are only two ranks of general in the personnel system — brigadier general ( one star ) and general lieutenant ( three stars ).

In the United States, the YMCA parent / child programmes under the umbrella programme called Y-Guides, ( originally called YMCA Indian Guides, Princess, Braves and Maidens ) have provided structured opportunities for fellowship, camping, and community-building activities ( including craft-making and community service ) for several generations of parents and kids in kindergarten through third grade.

The service is headed by a Director General at the grade of a Permanent Secretary of the British Civil Service who is directly supported by an internal security organisation, secretariat, legal advisory branch and information services branch.

No railroad grade crossing has been built, as the Robbinsville – Windsor rail segment is out of service.

In contrast, the awarding of the Army Commendation Medal in the U. S. Army and the Air Force Commendation Medal in the U. S. Air Force is not limited to senior service members, and can be awarded to junior NCOs in the grade of E-6 and below and junior officers in the grade O-3 and below.

" Article 153 itself expressly forbids particular forms of discrimination ; clause 5 states that " All persons of whatever race in the same grade in the service of the Federation shall, subject to the terms and conditions of their employment, be treated impartially ," while clause 9 states: " Nothing in this Article shall empower Parliament to restrict business or trade solely for the purpose of reservations for Malays.

Community services include excellent local police protection, a volunteer fire department, local 24-hour ambulance service which will soon have paid paramedics on staff, local schools from kindergarten through grade 12, and several churches of various denominations.

It is a `` stair-step '' plan, in which desegregation begins in the first grade.

Each year another grade is added to the process, until finally all 12 grades are integrated.

This immature use of crayons may suggest that she is a little immature for the first grade.

For example, a Browning trap version of the Superposed over/under, the Broadway ( from $350 up, depending on grade ), differs from standard models in that it is equipped with a full beavertail fore end, a cushion recoil pad and a barrel-wide ventilated rib for fast sighting.

The Supermatic Trophy ( prices begin at less than $135 and depend on grade and optional features ) is a 12-gauge auto.

Promotion is too often based on longevity and time in salary grade instead of merit.

Failure confirms the threat, and the intensity of anxiety is increased as the required learning becomes more difficult, so that by the time the child reaches the third grade the decrement in performance is pronounced.

In third grade, Warhol had chorea, the nervous system disease that causes involuntary movements of the extremities, which is believed to be a complication of scarlet fever and causes skin pigmentation blotchiness.

The ideal grade is called " Deep Siberian " and has a primary purple hue of around 75 – 80 %, with 15 – 20 % blue and ( depending on the light source ) red secondary hues.

The highest grade amethyst ( called " Deep Russian ") is exceptionally rare and therefore, when one is found, its value is dependent on the demand of collectors.

It is, however, still orders of magnitude lower than the highest grade sapphires or rubies ( padparadscha sapphire or " pigeon's blood " ruby ).

Research grade agar is used extensively in plant biology as it is supplemented with a nutrient and vitamin mixture that allows for seedling germination in Petri dishes under sterile conditions ( given that the seeds are sterilized as well ).

His voice is based on a band director Mike Judge had in 9th grade.

Both scales are open-ended at the top, and thus the upper grade of these systems is always increasing as boulderers ascend more difficult problems.

Their convenience in writing both on paper and on fabrics without causing the unwanted bleed-through of ink ( more present on lower grade of papers ) or smears on paper make them appropriate when both presentation and legibility is important, such as on medical papers and carbon based papers.

The BCVO ( Movement for Christian-National Education ) is a federation of 47 Calvinist private schools, primarily in the Free State and the Transvaal, committed to educating Boer children from grade 0 through to 12.

If the coin is judged favorably in all of these criteria, it will generally be awarded a higher grade.

A middle grade dérailleur is sufficient for a beginner, although many utility bikes come equipped with hub gears.

If the grade is known, then the rate of ascent can be calculated using trigonometry.

Philosophus ( 4 = 7 ) is the elemental grade attributed to fire ; this grade is also attributed to the Qabalistic Sephirah Netzach and the planet Venus.

* Ore grade, a measure that describes the concentration of a valuable natural material in the surrounding ore

* Octane rating, also called gasoline grade, the measure of the autoignition resistance of gasoline ( petrol ) and other fuels used in spark-ignition internal combustion engines

Laser Particle Counters are an effective way to measure filter effectiveness, medical grade can test for particles as small as 0. 3 micrometres.

Northeastern does not have any system of grade point averages or class rank, Instead, the school uses a system of narrative evaluations to measure student performance.

* International Tolerance grade: this is a standardised measure of the maximum difference in size between the component and the basic size ( see below ).

Normally this is performed with sedated animals but sometimes it is performed on awake animals engaged in a behavioral event, such as a thirsty rat whisking a particular sandpaper grade previously paired with water in order to measure the corresponding patterns of neuronal firing at the decision point.

Inexpensive " construction grade " total stations can generally measure angles to 5 or 10 arc-seconds.

The NLGI consistency number ( sometimes called “ NLGI grade ”) expresses a measure of the relative hardness of a grease used for lubrication, as specified by the standard classification of lubricating grease established by the National Lubricating Grease Institute ( NLGI ).

All grade levels and subject areas have specific benchmarks and content standards that measure successful student outcomes and achievements.

* The city of Cleveland, Ohio, approves a bond measure to pay for the Nickel Plate Road's grade separation project through the densest part of the city.

In 2006 the measure of GCSE performance was changed to 5 or more A * to C grade passes including Mathematics and English.

To compensate for this, the gradient should be a little less steep the sharper the curve is ; the necessary grade reduction is assumed to be given by a simple formula such as 0. 04 per cent per " degree of curve ", the latter being a measure of curve sharpness used in the United States.